CVE-2009-4536
UnknownEPSS 5.23%
Last modified
CVE-2009-4536 is a vulnerability of currently unknown severity. drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that exceed the MTU by processing certain trailing payload data as if it were a complete frame, which allows remote attackers to bypass packet filters via a large packet with a crafted payload. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1385.. EPSS estimates a 5.23% chance of exploitation in the next 30 days.
Description
drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that exceed the MTU by processing certain trailing payload data as if it were a complete frame, which allows remote attackers to bypass packet filters via a large packet with a crafted payload. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1385.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.32.3 |
| Debian | Debian Linux | 4.0 |
| Debian | Debian Linux | 5.0 |
References
- http://blog.c22.cc/2009/12/27/26c3-cat-procsysnetipv4fuckups/Third Party Advisory
- http://events.ccc.de/congress/2009/Fahrplan/events/3596.en.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035159.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00008.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.htmlMailing List, Third Party Advisory
- http://marc.info/?t=126203102000001&r=1&w=2Mailing List, Third Party Advisory
- http://secunia.com/advisories/35265Third Party Advisory
- http://secunia.com/advisories/38031Third Party Advisory
- http://secunia.com/advisories/38276Third Party Advisory
- http://secunia.com/advisories/38296Third Party Advisory
- http://secunia.com/advisories/38492Third Party Advisory
- http://secunia.com/advisories/38610Third Party Advisory
- http://secunia.com/advisories/38779Third Party Advisory
- http://securitytracker.com/id?1023420Third Party Advisory, VDB Entry
- http://www.debian.org/security/2010/dsa-1996Third Party Advisory
- http://www.debian.org/security/2010/dsa-2005Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/29/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/31/1Mailing List, Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0019.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0020.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0041.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0053.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0111.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0882.htmlThird Party Advisory
- http://www.securityfocus.com/bid/37519Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0009.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=552126Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55648Third Party Advisory, VDB Entry
- https://rhn.redhat.com/errata/RHSA-2010-0095.htmlThird Party Advisory
- http://blog.c22.cc/2009/12/27/26c3-cat-procsysnetipv4fuckups/Third Party Advisory
- http://events.ccc.de/congress/2009/Fahrplan/events/3596.en.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035159.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00008.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.htmlMailing List, Third Party Advisory
- http://marc.info/?t=126203102000001&r=1&w=2Mailing List, Third Party Advisory
- http://secunia.com/advisories/35265Third Party Advisory
- http://secunia.com/advisories/38031Third Party Advisory
- http://secunia.com/advisories/38276Third Party Advisory
- http://secunia.com/advisories/38296Third Party Advisory
- http://secunia.com/advisories/38492Third Party Advisory
- http://secunia.com/advisories/38610Third Party Advisory
- http://secunia.com/advisories/38779Third Party Advisory
- http://securitytracker.com/id?1023420Third Party Advisory, VDB Entry
- http://www.debian.org/security/2010/dsa-1996Third Party Advisory
- http://www.debian.org/security/2010/dsa-2005Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/29/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/12/31/1Mailing List, Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0019.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0020.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0041.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0053.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0111.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0882.htmlThird Party Advisory
- http://www.securityfocus.com/bid/37519Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0009.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=552126Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55648Third Party Advisory, VDB Entry
- https://rhn.redhat.com/errata/RHSA-2010-0095.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-4536?
drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that exceed the MTU by processing certain trailing payload data as if it were a complete frame, which allows remote attackers to bypass packet filters via a large packet with a crafted payload. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1385.
How severe is CVE-2009-4536?
Severity scoring for CVE-2009-4536 is pending analysis. The EPSS model estimates a 5.23% probability of exploitation in the next 30 days.
How do I fix CVE-2009-4536?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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